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CSD16321Q5

ACTIVE

25-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 2.6 mOhm

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Pin-for-pin with same functionality to the compared device
CSD17573Q5B ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.45 mOhm Lower resistance, similar price
CSD17576Q5B ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 2.9 mOhm This product has similar resistance and a lower price.

Product details

VDS (V) 25 VGS (V) 10 Type N-channel Configuration Single Rds(on) at VGS=4.5 V (max) (mΩ) 2.6 VGSTH typ (typ) (V) 1.1 QG (typ) (nC) 14 QGD (typ) (nC) 2.5 QGS (typ) (nC) 4 ID - silicon limited at TC=25°C (A) 177 ID - package limited (A) 100 Logic level Yes Rating Catalog Operating temperature range (°C) -55 to 150
VDS (V) 25 VGS (V) 10 Type N-channel Configuration Single Rds(on) at VGS=4.5 V (max) (mΩ) 2.6 VGSTH typ (typ) (V) 1.1 QG (typ) (nC) 14 QGD (typ) (nC) 2.5 QGS (typ) (nC) 4 ID - silicon limited at TC=25°C (A) 177 ID - package limited (A) 100 Logic level Yes Rating Catalog Operating temperature range (°C) -55 to 150
VSON-CLIP (DQH) 8 30 mm² 6 x 5
  • Optimized for 5V gate drive
  • Ultra-low Qg and Qgd
  • Low-thermal resistance
  • Avalanche rated
  • Lead-free terminal plating
  • RoHS compliant
  • SON 5mm × 6mm plastic package
  • Optimized for 5V gate drive
  • Ultra-low Qg and Qgd
  • Low-thermal resistance
  • Avalanche rated
  • Lead-free terminal plating
  • RoHS compliant
  • SON 5mm × 6mm plastic package

This 25V, 1.9mΩ, 5mm × 6mm SON NexFET™ power MOSFET has been designed to minimize losses in power conversion and optimized for 5V gate drive applications.

This 25V, 1.9mΩ, 5mm × 6mm SON NexFET™ power MOSFET has been designed to minimize losses in power conversion and optimized for 5V gate drive applications.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet CSD16321Q5 25V N-Channel NexFET™ Power MOSFET datasheet (Rev. E) PDF | HTML 01 Dec 2023
Application brief Estimating Leakage Currents of Power MOSFETs PDF | HTML 31 Oct 2025
Application note MOSFET Support and Training Tools (Rev. G) PDF | HTML 27 Oct 2025
Application note Avoid Common Mistakes When Selecting And Designing With Power MOSFETs PDF | HTML 06 Nov 2024
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 25 Mar 2024
Application note Using MOSFET Transient Thermal Impedance Curves In Your Design PDF | HTML 18 Dec 2023
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Application note Using MOSFET Safe Operating Area Curves in Your Design PDF | HTML 13 Mar 2023
Application brief Tips for Successfully Paralleling Power MOSFETs PDF | HTML 31 May 2022
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Ringing Reduction Techniques for NexFET High Performance MOSFETs 16 Nov 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS40304EVM-353 — 8-14V Vin, 1.2V Vout Sync Buck Controller Evaluation Module with NexFET™ Power MOSFETs

The TPS40304EVM-353 evaluation module is a synchronous buck controller providing a 1.2-V output at up to 20 A from a nominal 12-V input bus. The EVM is designed to start-up from a single supply, and no additional bias voltage is required. The module uses our NexFET™ high performance MOSFETs (...)

User guide: PDF
Not available on TI.com
Support software

LOAD-SWITCH-FET-LOSS-CALC Power Loss Calculation Tool for Load Switch

Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Supported products & hardware

Supported products & hardware

Support software

NONSYNC-BOOST-FET-LOSS-CALC NONSYNC BOOST FET LOSS Calculator

MOSFET power loss calculator for non-synchronous boost converter
Supported products & hardware

Supported products & hardware

Simulation model

CSD16321Q5 TINA-TI Spice Model

SLIM043.TSM (7 KB) - TINA-TI Spice Model
Simulation model

CSD16321Q5 Unencrypted PSpice Model (Rev. B)

SLIM298B.ZIP (8 KB) - PSpice Model
Calculation tool

FET-SOA-CALC-SELECT MOSFET SOA calculation and selection tool

Excel based FET SOA calculation and selection tool
Supported products & hardware

Supported products & hardware

Calculation tool

MOTOR-DRIVE-FET-LOSS-CALC Power Loss Calculation Tool for BLDC Motor Drive

This is an Excel-based MOSFET power loss calculator for brushless DC motor drive applications.
Supported products & hardware

Supported products & hardware

Calculation tool

SLPR053 Power Loss Calculation Tool for Synchronous Inverting Buck Boost Converter

MOSFET power loss calculation and selection tool for synchronous inverting buck boost converter
Supported products & hardware

Supported products & hardware

Calculation tool

SYNC-BOOST-FET-LOSS-CALC Power Loss Calculation Tool for Synchronous Boost Converter

MOSFET power loss calculator for synchronous boost converter applications.

Supported products & hardware

Supported products & hardware

Calculation tool

SYNC-BUCK-FET-LOSS-CALC Power Loss Calculation Tool for Synchronous Buck Converter

Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Supported products & hardware

Supported products & hardware

Calculation tool

SYNC-RECT-FET-LOSS-CALC — Power loss calculation tool for synchronous rectifier

MOSFET power loss calculator for synchronous rectifier applications
Reference designs

PMP9491 — Audio Boom Box/Portable Speaker Reference Design with Efficient Boost Converter.

PMP9491 is a 30W highly efficient and compact Portable Speaker/Audio Boom Box reference Design which can be used in 15W +15W Stereo or 30W Woofer Applications. The Power Source for the Design is 1 or 2 Li ion in Series . The design is broadly divided into three main stages:
  1. Highly efficient (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP22089 — Half-bridge point-of-load converter reference design with GaN technology

This reference design modifies the inboard transformer turns ratio from 5:1 to 3:1 to reduce input the range. The board supports input voltages from 24 V to 32 V and output voltages between 0.5 V to 1.0 V with output currents up to 40 A. This topology efficiently supports the high step-down ratio (...)
Test report: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
VSON-CLIP (DQH) 8 Ultra Librarian

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

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